UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549


                                    FORM 8-K

                                 Current Report
                                   Pursuant to
                             Section 13 or 15(d) of
                       The Securities Exchange Act of 1934


         Date of Report (Date of earliest event reported): June 17, 2005


                         ALLMERICA FINANCIAL CORPORATION
                         -------------------------------
             (Exact name of registrant as specified in its charter)



          Delaware                     1-13754                    04-3263626
--------------------------     ------------------------      -------------------
(State or other jurisdic-      (Commission File Number)        (I.R.S. Employer
 tion of incorporation)                                      Identification No.)




               440 Lincoln Street, Worcester, Massachusetts 01653
               --------------------------------------------------
                    (Address of principal executive offices)
                                   (Zip Code)


       Registrant's telephone number, including area code: (508) 855-1000



Check  the  appropriate  box  below  if the  Form  8-K  filing  is  intended  to
simultaneously  satisfy the filing obligation of the registrant under any of the
following provisions:

[ ]  Written communications pursuant to Rule 425 under the Securities Act
     (17 CFR 230.425)

[ ]  Soliciting material pursuant to Rule 14a-12 under the Exchange Act
     (17CFR 240.14a-12)

[ ]  Pre-commencement communications pursuant to Rule 14d-2(b) under the
     Exchange Act (17CFR 240.14d-2(b))

[ ]  Pre-commencement communications pursuant to Rule 13e-4(c) under the
     Exchange Act (17CFR 240.13e-4(c))



Item 5.02 Departure of Directors or Principal  Officers;  Election of Directors;
          Appointment of Principal Officers.

On June 17, 2005, Allmerica Financial  Corporation's Board of Directors accepted
the  resignation  of  Nancy  L.  Leaming,  effective  immediately.  Ms.  Leaming
submitted  her  resignation  in  connection  with a  significant  change  in her
principal job responsibilities.







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SIGNATURES


Pursuant  to the  requirements  of the  Securities  Exchange  Act of  1934,  the
registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned hereunto duly authorized.

                                       Allmerica Financial Corporation
                                       --------------------------------
                                       (Registrant)


Date: June 23, 2005               By:  /s/ J. Kendall Huber
                                       --------------------
                                       J. Kendall Huber
                                       Senior Vice President,
                                       General Counsel



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